| # | Institution | Type | Branches | Deposits | Share |
|---|---|---|---|---|---|
| 1 | National Exchange Bank and Trust | Bank | 11 | $1.41B | 40.50% |
| 2 | Horicon Bank | Bank | 3 | $240.7M | 6.92% |
| 3 | U.S. Bank National Association | Bank | 3 | $227.5M | 6.54% |
| 4 | BMO Bank National Association | Bank | 2 | $214.2M | 6.16% |
| 5 | Fox Valley Savings Bank | Bank | 1 | $195.7M | 5.63% |
| 6 | JPMorgan Chase Bank, National Association | Bank | 1 | $166.0M | 4.77% |
| 7 | Bank First, N.A. | Bank | 1 | $142.3M | 4.09% |
| 8 | Verve, A Credit Union | Credit union | 2 | $135.1M* | 3.88% |
| 9 | Associated Bank, National Association | Bank | 2 | $134.8M | 3.88% |
| 10 | Bristol Morgan Bank | Bank | 3 | $131.5M | 3.78% |
| 8 more institutions, year-over-year share and branch changes with Pro →$29/mo, cancel any time. | |||||
* Credit-union deposits are estimated (June total shares spread evenly across branches).
| Year | Deposits | Institutions | Branches | Leader | Top share | HHI |
|---|---|---|---|---|---|---|
| 2025 | $3.48B | 18 | 39 | National Exchange Bank and Trust | 40.5% | 1,919 |
| 2024 | $3.38B | 18 | 39 | National Exchange Bank and Trust | 39.6% | 1,858 |
| 2023 | $3.34B | 19 | 43 | National Exchange Bank and Trust | 38.7% | 1,788 |
| 2022 | $2.84B | 16 | 40 | National Exchange Bank and Trust | 42.5% | 2,135 |
Every institution above links to its profile — ratios, peer medians and this quarter’s change signals. Pro adds the full table, share movement and CSV export.